APPENDIX B EXPLANATION OF TERMS

TM 9-1300-277

APPENDIX B

EXPLANATION OF TERMS

The following are descriptions of terms and phases commonly used in conjunction with ammunition, explosives, and

other dangerous materials. These are listed to provide a degree of uniformity of description in the use of technical

information throughout these standards.

Administration Areas--The areas in which administrative

Blasting Cap--A cylindrical detonator containing one or

offices for the entire establishment are located. These

more sensitive initiating explosives used to initiate the

areas differ from those directly associated with and a

detonation of demolition charges. There are several

part of the explosive area, such as ammunition

types of blasting caps, as follows:

operations office.

a. Electric blasting caps. These are capable of

Ammunition-Includes

all

non-nuclear

ordnance

being set off by an electrical current.

components and explosive prepared to form a charge,

complete round, or cartridge for small arms, rifle, gun,

b. Nonelectric blasting caps.

cannon, or any other weapon or explosiveactuated

device, impulse device, torpedo warhead, mine, bomb,

These are capable of being set off by a spit of fire

depth charge, demolition charge, fuze, detonator,

(normally from a safety fuze).

projectile, rocket, or guided missile. Ammunition also

includes all solid propellants, explosives, hypergolic

Caution-An operating procedure, practice, etc., which if

liquids, propellant systems, and other hazardous

not strictly observed, could result in damage to, or

materials applied to ordnance uses and requiring

destruction of, equipment.

surveillance for reasons of explosive safety, all JATO's,

boosters, sustainers, military pyrotechnics, and

Change House-A building provided with facilities for

chemical/biological systems, and materials.

employees to change to and from work clothes. Such

buildings may be provided with sanitary facilities,

Ammunition Operations Office-Any office, exclusive of

drinking fountains, lockers, and eating facilities.

the main administrative area adjacent to or within an

explosive area, in which operational administrative

Chemical Agent--A solid, liquid, or gas which through its

functions pertaining to explosives are performed.

chemical properties produces lethal or toxic effects on

man, animal or plant life, or produces an incendiary

Barricade-An intervening approved barrier, natural or

action or screening or signaling smoke.

artificial, of such type, size, and construction as to limit

in a prescribed manner, the effect of an explosion on

Chemical Ammunition-Ammunition, the filler of which is

nearby buildings or exposures.

primarily a chemical agent.

Biological Agent-A solid, liquid or aerosol, which through

Clearance-An authorization to conduct a test, to enter or

its biological properties produces injurious or lethal

exit from a danger area, or to conduct work in a danger

effects on personnel, plants, or animals.

area. Clearance may be granted only by the safety

observer having jurisdiction over the danger area in

Blast-Brief and rapid movement of air or fluid away from

which the operation is to be conducted.

a center of outward pressure, as in an explosion; the

pressure accompanying this movement.

Compatibility-Ammunition or explosives are considered

compatible if they may be stored or transported together

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